Home / 54,319.08-74,962.50-30,445.58

Finding the Fourth Proportional to 54,319.08, 74,962.50 and 30,445.58

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Solution

The fourth proportional to 54,319.08, 74,962.50 and 30,445.58 is: 42,016.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,319.08 : 74,962.50 = 30,445.58 : x
  2. Step 2: Convert to fraction form
    54,319.08/74,962.50 = 30,445.58/x
  3. Step 3: Cross multiply
    54,319.08x = 74,962.50 × 30,445.58
  4. Step 4: Simplify right side
    54,319.08x = 2,282,276,790.75
  5. Step 5: Solve for x
    x = 2,282,276,790.75/54,319.08
  6. Step 6: Final answer
    x = 42,016.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.